Model simplification in lme
Pinheiro and Bates suggest that model simplification of fixed effects in lme
with anova (model,model2)
is anticonservative. What is the best way to simplify a model in lme?
Testing the p value for each fixed
factor with anova (model, type="marginal") and removing it if it is not
significant? I know this in not a valid
approach in lm but I am not sure about lme.
Thanks to Kingsford for pointing out the section in Pinheiro and Bates
about model simplification.
Thanks,
Mel
--
Menelaos Stavrinides
Ph.D. Candidate
Environmental Science, Policy and Management
137 Mulford Hall MC #3114
University of California
Berkeley, CA 94720-3114 USA
Tel: 510 717 5249
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